/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package com.wittigweb;

import java.io.IOException;
import java.io.ObjectOutputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.concurrent.atomic.AtomicInteger;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.log4j.Logger;

/**
 *
 * @author Family
 */
public class FrontControler extends HttpServlet {

    public static final Logger log = Logger.getLogger(FrontControler.class);
    public static final AtomicInteger counter = new AtomicInteger();
    public static final int SOCKET = 61234;

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {


        log.debug("request received from " + request.getRemoteAddr());

        response.setContentType("text/html;charset=UTF-8");
        PrintWriter outWeb = response.getWriter();
        try {
            outWeb.println("<html>");
            outWeb.println("<head>");
            outWeb.println("<title>Servlet FrontControler</title>");
            outWeb.println("</head>");
            outWeb.println("<body>");
            outWeb.println("<h1>Servlet FrontControler at " + request.getContextPath() + "</h1>");
            outWeb.println("count is: " + counter.getAndIncrement());
            outWeb.println("</body>");
            outWeb.println("</html>");



            Socket requestSocket = null;
            try {
                requestSocket = new Socket("localhost", SOCKET);
                ObjectOutputStream out = new ObjectOutputStream(requestSocket.getOutputStream());
                out.flush();
                out.writeUTF("frontCamera");
                out.flush();

            } catch (Exception e) {
                log.fatal("", e);
            } finally {
                if (requestSocket != null) {
                    try {
                        requestSocket.close();
                    } catch (Exception e) {
                        log.fatal("", e);
                    }
                }
            }


        } finally {
            outWeb.close();
        }
    }


    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
